Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Pentax KP and Sony A68 side-by-side from the front, back and top in their relative dimensions. Pentax KP has external dimensions of 132 x 101 x 76 mm (5.2 x 3.98 x 2.99″) and weighs 703 g (1.55 lb / 24.80 oz) (including batteries). Sony A68 has external dimensions of 143 x 104 x 81 mm (5.63 x 4.09 x 3.19″) and weighs 610 g (1.34 lb / 21.52 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax KP and the Sony A68. Pentax KP is clearly the smaller of the two cameras. Its body is 11mm narrower, 3mm shorter and 5mm thinner than Sony A68.
Here is the back view size comparison of the Pentax KP and Sony A68.
Now lets look at the top view comparison of Pentax KP and Sony A68.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you also have to take into account the lenses that you will be using with these bodies. Since both Pentax KP and Sony A68 have the same APS-C sized sensor, their lenses for a similar focal length and aperture will be similar in size and weight.
Weather Sealing
With its weather-sealed body, we believe that the KP has a big advantage over the A68 which doesn't provide any kind of environmental sealing.
LCD Screen Size and Features
Pentax KP's 3.00" LCD screen is slightly larger than Sony A68's 2.7 screen.
Both cameras feature
Tilting screens where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels.